From 66755e8a78211ed38c8d6b282d5221d97f0fe664 Mon Sep 17 00:00:00 2001
From: Simon Parri <simonparri@ganzeria.com>
Date: Tue, 27 May 2025 22:02:57 -0500
Subject: hosts/ades: Add initial version of live ISO with ades' configuration

---
 hosts/ades/common.nix    |  3 +--
 hosts/ades/default.nix   | 11 ++++++--
 hosts/ades/iso.nix       | 70 ++++++++++++++++++++++++++++++++++++++++++++++++
 hosts/ades/thin-shim.nix | 41 ++++++++++++++++++++++++++++
 4 files changed, 121 insertions(+), 4 deletions(-)
 create mode 100644 hosts/ades/iso.nix
 create mode 100644 hosts/ades/thin-shim.nix

(limited to 'hosts')

diff --git a/hosts/ades/common.nix b/hosts/ades/common.nix
index b88a6cb..d31f380 100644
--- a/hosts/ades/common.nix
+++ b/hosts/ades/common.nix
@@ -7,7 +7,6 @@ in
 {
   imports = [
     ./hardware.nix
-    ./users.nix
   ];
 
   this.pc.enable = true;
@@ -34,7 +33,7 @@ in
     sil-q
     ppsspp
     wesnoth
-    minetest
+    luanti
     gzdoom
     teeworlds
     superTuxKart
diff --git a/hosts/ades/default.nix b/hosts/ades/default.nix
index 8f3f4e6..82496c1 100644
--- a/hosts/ades/default.nix
+++ b/hosts/ades/default.nix
@@ -7,7 +7,8 @@ let
 in
 mergeAttrsList
   ((map (h: mkHost "x86_64-linux" h
-    [ ./common.nix ])
+    [ ./common.nix
+      ./users.nix ])
     [
       "acheron"
       "asphodel"
@@ -20,7 +21,13 @@ mergeAttrsList
     ])
   ++
   (map (h: mkHost "x86_64-linux" h
-    [ ./common.nix ./${h}.nix ])
+    [ ./common.nix
+      ./users.nix
+      ./${h}.nix ])
     [
       "styx"
     ]))
+// mkHost "x86_64-linux" "ades-live" [
+  ./common.nix
+  ./iso.nix
+]
diff --git a/hosts/ades/iso.nix b/hosts/ades/iso.nix
new file mode 100644
index 0000000..63c48d9
--- /dev/null
+++ b/hosts/ades/iso.nix
@@ -0,0 +1,70 @@
+{ modulesPath, lib, config, pkgs, ... }:
+
+let
+  inherit (lib.attrsets)
+    mergeAttrsList;
+  inherit (builtins)
+    map;
+
+  shimmedPackages = [
+    "wesnoth"
+    "luanti"
+    "supertuxkart"
+    "mindustry"
+    "shattered-pixel-dungeon"
+    "bzflag"
+    "xonotic-glx"
+    "taisei"
+    "unvanquished"
+  ];
+
+  mkThinShim = import ./thin-shim.nix pkgs;
+in
+rec {
+  imports = [
+    (modulesPath + "/profiles/all-hardware.nix")
+    (modulesPath + "/installer/cd-dvd/iso-image.nix")
+  ];
+
+  isoImage = {
+    makeBiosBootable = true;
+    makeEfiBootable = true;
+    makeUsbBootable = true;
+
+    isoBaseName = lib.mkImageMediaOverride "nixos-styx";
+  };
+
+  swapDevices = lib.mkImageMediaOverride [];
+  fileSystems = lib.mkImageMediaOverride config.lib.isoFileSystems;
+
+  users.users.ades = {
+    description = "Ades";
+    isNormalUser = true;
+    homeMode = "755";
+    extraGroups = [
+      "disk" "cdrom"
+      "audio" "video"
+      "lp" "networkmanager"
+    ];
+    initialPassword = "persephone";
+  };
+  users.users.root.initialPassword = "olympus";
+
+  services.getty.autologinUser = "ades";
+  services.getty.helpLine = ''
+  As you can see, you are automatically logged in to the "ades" user.
+  Run `startx' to obtain a graphical session.
+
+  The password for the "ades" user is: ${users.users.ades.initialPassword}
+  The password for the "root" user is: ${users.users.root.initialPassword}
+  '';
+
+  nixpkgs.overlays = [
+    (final: prev:
+      mergeAttrsList
+        (map (pname: {
+        "${pname}" = (mkThinShim prev.${pname} "nixpkgs#${pname}");
+        })
+          shimmedPackages))
+  ];
+}
diff --git a/hosts/ades/thin-shim.nix b/hosts/ades/thin-shim.nix
new file mode 100644
index 0000000..a9f931b
--- /dev/null
+++ b/hosts/ades/thin-shim.nix
@@ -0,0 +1,41 @@
+pkgs:
+let
+  inherit (builtins)
+    map elem;
+
+  inherit (pkgs) stdenv;
+in
+pkg: inst:
+stdenv.mkDerivation {
+  pname = pkg.pname + "-shim";
+  version = pkg.version;
+  nativeBuildInputs = [pkg];
+  dontUnpack = true;
+  buildPhase = ''
+if [ -d ${pkg}/bin ]; then
+    mkdir -p "$out/bin"
+    for exe in $(ls "${pkg}/bin/"); do
+        cat >"$out/bin/$exe" <<EOF
+#!/bin/sh
+
+term=urxvt
+which \$term >/dev/null 2>&1 || term=xterm
+
+if [ "\$DISPLAY" ]; then
+    \$term -e nix shell '${inst}' --command '$exe' \$*
+else
+    nix shell '${inst}' --command '$exe' \$*
+fi
+EOF
+        chmod +x "$out/bin/$exe"
+    done
+fi
+
+for dir in "share/applications" "share/icons"; do
+    if [ -d "${pkg}/$dir" ]; then
+        mkdir -p "$out/$dir"
+        cp -a "${pkg}/$dir/"* "$out/$dir"
+    fi
+done
+'';
+}
-- 
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